AU602742B2 - Apparatus for injecting liquid-type material in the chimney of a cigarette maker - Google Patents
Apparatus for injecting liquid-type material in the chimney of a cigarette maker Download PDFInfo
- Publication number
- AU602742B2 AU602742B2 AU82542/87A AU8254287A AU602742B2 AU 602742 B2 AU602742 B2 AU 602742B2 AU 82542/87 A AU82542/87 A AU 82542/87A AU 8254287 A AU8254287 A AU 8254287A AU 602742 B2 AU602742 B2 AU 602742B2
- Authority
- AU
- Australia
- Prior art keywords
- channel
- filler
- chimney
- nozzle
- cigarette
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 title claims description 22
- 241000208125 Nicotiana Species 0.000 claims abstract description 31
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 31
- 239000000945 filler Substances 0.000 claims description 30
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000008258 liquid foam Substances 0.000 abstract description 4
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 101100391182 Dictyostelium discoideum forI gene Proteins 0.000 description 1
- 241001482237 Pica Species 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
- A24C5/1892—Forming the rod with additives, e.g. binding agent, flavorants
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Manufacture Of Tobacco Products (AREA)
- Confectionery (AREA)
Abstract
Apparatus is provided for injecting liquids or liquid foams into the stream of tobacco on the suction tape (12) in the chimney (10) of a cigarette maker. An insert (21) is placed in the suction rod channel (15) to reduce its width over an initial section (151) of the channel. The remainder of the channel is of normal width. A nozzle (22) for injecting the liquid or liquid foam projects gradually from the end of the insert (21) into the channel (15). The restrictive effect of the nozzle on the flow of tobacco is balanced by the tendency of the tobacco to flow more freely as the channel widens.
Description
602742 Australia Form PATENTS ACT 1952 COMPLETE SPECIFICATION
(ORIGINAL)
FOR OFFICE USE Short Title: Int. CI: Application Number: 44 4 4 44 9 94 Lodged: n440 9:'Gomplete Specification--Lodged: 9 Accepted: 8 98 01 4 49 44 4 0 49 Priority: Lapsed: Published:
V"
4 9 4 44 elated Art: 4 0 0 ,OName of Applicant.
Address of Applicant: Actual Inventor-, TO BE COM4PLETED BY APPL),CANT e-~~eT e-w-y-4rkFN.-w--o-r---04--7 ni t e d S t at e s of America J089~PH LEE GRE~GORY, III 't-1 VI .I l Wai;;s thu amendments made Linde2r 60hidAL~.~ r i nd is correct forI printling
I
Address for Service,, CALLINANS Patent Attorneys, of 48-50 Bridge Road, Richmond, State of Victoria, Aust.-ali~i.
Comlee pelfcaio fr heInenio etile: IAPPARATUS FOR XNJECTINO LIQUID-TYPE CoplteSpclicti,~fr heInenio etlle~ MATERIAL IN TRE CHIMNEY OF A CIGARETTE
MAKER
The following state~mont Is a full description of this Invention, Including the best method of performi ng it known to me- Notet The description Is to be typed in double spacing, pica typo face, in an area not exceeding 250 mra In depth and 160 mm In width, on tough white Paper of good quality and It Is to be Inserted Inside this form.
By virtue of an assignment dated 12th December, 1986, which was recorded on 16th December, 1986 Reel/Frame 4647/704-705, in the USA the inventor assigned the invention to the applicant.
New York, New York, USA December 87 Declared at. this.. day S ig n e X. A. Serrano n Pre.~ident Philin Morris Tncrorrated -la- APPARATUS FOR INJECTING LIQUID-TYPE MATERIAL IN THE CHIMNEY OF A CIGARETTE MAKER 44 a o a Background of the Invention o This invention relates to apparatus for .o 5 injecting liquid-type material into the tobacco stream *0 in the chimney of a cigarette maker. In particular, a this invention relates to apparatus for injecting liquid additive foam into the tobacco accumulating on the suction tape in the chimney of a cigarette a aut ao. 10 maker.
As is well known in the cigarette making art, most cigarette makers include a chimney section in which tobacco is sucked upward onto the underside of a per;forated tape. The tobacco accumulates on 15 the undeirside of the tape in a narrow channel between two rails on which the tape rides. The tape moves horizontally, carrying a stream of .obacco out of the chimney to subsequent sections of the cigarette maker. If one considers any particular length of the tape, the thickness of the layer of tobacco on that length of tape increases as the tape moves across the chimney, because the time the length of tape has been exposed to the tobacco flow ilcreases.
Therefore, the layer of tobacco on the tape is thickest at the point where the tape leaves the chimney.
I -2- It is also well known that material can be added to the tobacco stream in a cigarette maker, for purposes of binding o'r flavoring the cigarettes produced. Commonll-assigned U.S. Patent No. 4,619,276 discloses that such material can be added in the form of a liquid foam at various points in a cigarette maker, including in the chimney, and particularly at the suction tape, after the tobacco has accumulated into a sufficient mass to accept the added material. It is disclosed in said copending, S commonly-assigned application that a nozzle can be 9o positioned just below and parallel to the suction Si tape for dispensing the liquid foam.
1 It has been found, however, that if such a 8 15 nozzle is inserted into the suction tape channel of a standard cigarette maker chimney, the nozzle would interfere with the horizontal transport of tobacco °ar by the suction tape and result in choking of the o t: cigarette maker as tobacco built up behind the nozzle.
"o 20 It would therefore be desirable to provide apparatus for injecting liquid-type material, includ- 8. ing foamed liquid material or other liquid material, into the tobacco stream in the chimney of a cigarette 8 maker without causing the maker to choke, S*°r 25 Summary of the Invention It is an object of this invention to provide apparatus for injecting liquid-type material into the tobacco stream in the chimney of a cigarette maker without causing the maker to choke.
In accordance with this invention, there is provided apparatus for injecting liquid-type material into cigarette filler in the chimney section of a cigarette making machine. The chimney is open at the bottom thereof to a supply of cigarette filler and has at the top thereof a perforated suction tape.
Suction is applied from above the suction tape, which C 1 T _-Y 'r -3rides horizontally in one direction on a pair of spaced-apart wear-resistant rails from a first side of the chimney to a second side thereof. The spacedapart rails form a channel therebetween. Filler accumulates in the channel by virtue of the suction and is carried horizontally by the suction tape to subsequent sections of the cigarette making machine for formation into a cigarette rod. The channel comprises a first portion beginning at the first side of the chimney and extending to a first point between the fir, 3 t and second sides, and a second t, portion extending from the first point to the second side. The first portion is narrower than the second portion. The apparatus also comprises means for injecting liquid-type material into the accumulated Ifiller in the second portion adjacent the first point.
ji A chimney for a cigarette making machine, I i\ said chimney including such apparatus, is also pro- 'j vided.
20 Brief Description of the Drawings The above and other objects and advantages J *of the invention will be apparent upon consideration of the following detailed description, taken in con- .i1 junction with the accompanying drawings, in which like reference characters refer to like parts throughr' out, and in which: j FIG. 1 is a widthwise cross-sectional view of the top section of.the chimney of a conventional cigarette making machine; FIG. 2 is A widthwise cross-sectional view of the narrow portion of the top section of the chimney of a cigarette making machine according to this invention; FIG. 3 is a lengthwise cross-sectional view of the top section of the chimney of a cigarette -L i _i; -4making machine according to this invention, taken from line 3-3 of FIG. 2; FIG. 4 is a widthwise croos-sectional view of the wide portion of the top section of the chimney of a cigarette making machine according to the invention looking toward the narrow portion, taken from line 4-4 of FIG. 3; and FIG. 5 is a plan view of the top section of the chimney of a cigarette making machine according to the present invention.
Detailed Description of the Invention 0a0 o FIG. 1 is a widthwise cross-sectional view S° of the top section 10 of the chimney of a conventional cigarette making machine. Shredded tobacco filler 11 o" 15 is introduced at the bottom of the chimney (not shown) and blown upward toward perforated suction tape 12, 9A generally made of stainless steel, assisted by suction (indicated by arrow A) applied from above tape 12.
Tape 12 rides on wear-resistant rails 13, 14 made 6f a material such as tungsten carbide which is harder than stainless steel. Filler 11, guided by walls 16, 17, accumulates in the channel 15 formed by rails 13, 14 and is carried out of the chimney to subsequent sections of the cigarette making machine by tape 12 25 which moves horizontally into or out of the plane of FIG. 1.
In order to introduce liquid-type material, such as liquid additive foam, into the accumulated filler 11 in the manner suggested by said aboveidentified U.S. Patent No. 4,619,276, it would be necessary to insert a nozzle (not shown) into channel 15. However, channel 15 would then be restricted at the point at which the nozzle is inserted and tobacco filler that had moved freely through channel 15 at a given volume rate up to that point would no longer be able to move at that volume rate. As a result, tobacco filler would pile up at the point of nozzle insertion, conceivably to the extent of choking off the flow of filler completely.
As a consequence, only filler first reaching tape 12 downstream of the nozzle would be carried to subsequent sections of the cigarette mraking machine, which would not provide sufficient filler volume for cigarette production. There also would not be a sufficient volume of tobacco at the downstrea-m end of the nozzle to receive the liquid-type material, resulting in poor distribution of the liquid-type material in that tobacco filler that did reach subsequent sections of the cigarette making machine.
The present invention overcom~s these difficulties by providing a channel having a narrower than normal width over an initial portiola of i lengtt,\. The nozzle is introduced into the channel after the tranoition to normal width. The choking effect of the nozzle is counterballanced by the easing of flow reetrictions caused by the widening of the channel. The placement and shape of t..e nozzle are also designed to minimize flow disruptions.
The top section 20 of a modified chimney according to the invention is shown in FIGS. As best seen in FIG. 3, chimney 20 extends from a first side 30 to a second side 3 1 An insert 21 extending between first side 30 and a point 32 narrows channel 15 between first side 30 and point 32 to form narrow portion 151 of channel Angled surface 210 of insert 21 guides filler 11 into narrowed channel portioi 151. Nozzle 22 extends into the standar~d width portion of channel 15 at point 33, adjacent point 32. In the absence of -rozzle 22, tobacco passing from narrow portion 1151 of channel 15 to the standard width portion of channel 1.5 would flow more freely. The tendency to flow more freely compensates for any i -6flow restricting effect that might be caused by the presence of nozzle 22. Nozzle 22 is connected by pipe 51 to a supply (not shown) of liquid-typ material.
The placement and design of nozzle 22 further reduce the possibility of choking. Nozzle 22 is preferaby a very thin hypodermic-type tube.
Nozzle 22 preferably projects from the end face of insert 21 and extends for a short distance parallel to the direction of tobacco flow before gradually oangling out into the flow and straightening to a Saodirection generally parallel to the flow at about al the centerline 50 of channel 15. The gradual migration of nozzle 22 across the tobacco flow reduces the restrictive effect of the nozzle on the flow.
O Nozzle 22 preferably should cross slightly beyond centerline 50 and straighten out to a direction o angled slightly away from centerline 50 and toward rail 13. This compensates for the slight deflection 20 of nozzle 22 caused by the pressure of the tobacco a flow against the migrating portion of nozzle 22, so that the actual operating position of the exit of 00, *0 nozzle 22 is at centerline 50 and parallel to the tobacco flow. Nozzle 22 should at least be near centerline 50, so that a buffer layer of dry tobacco o filler is maintained between tobacco wetted by the liquid-type material and rails 13, 14, to prevent fouling of the machine.
Preferably, a wedge-shaped deflector 41 is placed along one wall of the chimney under rail 13.
This deflector 41 aids in channelling tobacco filler into the void between nozzle 22 and rail 14.
It has been found that even when no liquidtype material is introduced through nozzle 22, cigarettes produced in cigarette making machines incorporating this invention have improved firmness over cigarettes made in machines not incorporating
J
-7the invention. It is believed that nozzle 22 may act as a mandrel, forcing the tobacco filler to assume a radial orientation as it wraps around nozzle 22, thereby increasing firmness in the finished cigarette.
Thus, it is seen that apparatus is provided for injecting liquid-type material in the chimney section of a cigarette making machine without choking or fouling of the machine. One killed in the art will appreciate that the present invention can be practiced by other than the embodiments described= which are presented for purposes of illustration and not of limitation, and the present invention is limited only by the claims which follow.
LL
Claims (9)
1. Apparatus for injecting liquid-type material into cigarette filler in the chimney of a cigarette making machine, said chimney being open at the bottom to a supply of cigarette filler, providing in its upper region, a channel for the filler and having a perforate tape riding horizontally along the top of the channel on a spaced pair of wear-resistant rails, suction being applied from above said tape; whereby said filler accumulates in the channel and is carried horizontally by said tape to subsequent sections of said cigarette making machine for formation into a cigarette rod; wherein: said channel comprises a first portion and a second portion extending downstream from said first portion, said first portion being narrower than said S second portion; 0 00 oyo and said apparatus further comprises means projecting into said S channel adjacent a point of intersection of said first and second portions for 0 injecting said liquid-type material into said accumulated filler in said second portion of said channel, 0
2. Apparatus according to claim 1 wherein: said rails are spaced uniformly apart along the length of said channel, said first portion being formed by one or two inserts in said chimney, the or each said insert lying adjacent to and extending along one or said rails, the or each of said inserts having a first end face at the upstream end of the channel and a second end face downstream of the first end face; and wherein said injecting means comyrises a nozzle extending into said second channel portion, *Aj 3. Apparatus according to claim 2 wherein said nozzle extends into said channel from said second end face of one insert. 4, Apparatus according to claim 3 wherein said nozzle extends longitudinally from said second end face. 4( S 0 A -9- Apparatus according to claim 4 wherein said nozzle comprisesa first longitudinally extending part and a second part at an oblique angle to said first part.
6. Apparatus according to claim 5 wherein said nozzle comprises in addition a third part of its length extending generally longitudinally along said channel.
7. Apparatus according to claim 6 wherein said third part of said nozzle means extends substantially along the longitudinal centerline of said second portion of said channel. t8. Apparatus according to claim 6 wherein said third part of said part than is said centerline.
9. Apparatus according to claim 8 further comprising means for guiding said filler into the space between the nozzle and that rail along which extends the or each insert. Apparatus according to claim 9 wherein said guiding means comprises an insert exte nding along a portion of a wall of said chimney beneath said nozzle, said insert having an inclined surface such that tobacco rising, in the region of said insert is guided int~o said space,
11. Apparatus according to any of claims 2 to 8 wherein said narrower first channel portion, Is formed by one insert.
12. Apparatus according to claim It eurther comprising means for guiding said filler into said channel.
13. Apparatus according to claim 12 wherein said guiding means further comprises an inclined, surface extending downwardly from the or each insert towards, a wall of said chimney. 10
14. Apparatus for treatment of cigarette filler in the chimney of a cigarette making machine, said chimney being open at the bottom to a supply of cigarette filler, providing in its upper region a channel for the filler and having a perforate tape riding horizontally along the top of the channel on a spaced pair of wear- resistant rails, suction being applied from above said tape, whereby said filler accumulates in the channel and is carried horizontally by said tape to subsequent sections of said cigarette making machine for formation into a cigarette rod; wherein: said channel comprises a first portion and a second portion extending downstream from said first portion, said first portion being narrower than said second portion; and said apparatus further comprises a mandrel projecting into said channel adjacent a point of intersection of said first and second porions and S* extending into said accumulated filler in said second portion of said channel, said mandoel causing an increase in the firmness of said filler, o 4 Apparatus for injecting liquid-type material into igarette filler in the S chimney of a cigarette making machine substantilly as hereinbefore described with reference to the accompanying drawing, DATED this 30th day of Jtly, 1990. PHILIP MORRIS PRODUCTS INC. By its Patent Attorneys CALLUNAN LAW y //f 0(Q^ i
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US942411 | 1986-12-16 | ||
| US06/942,411 US4763672A (en) | 1986-12-16 | 1986-12-16 | Apparatus for injecting liquid-type material in the chimney of a cigarette maker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU8254287A AU8254287A (en) | 1988-06-16 |
| AU602742B2 true AU602742B2 (en) | 1990-10-25 |
Family
ID=25478026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU82542/87A Ceased AU602742B2 (en) | 1986-12-16 | 1987-12-15 | Apparatus for injecting liquid-type material in the chimney of a cigarette maker |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4763672A (en) |
| EP (1) | EP0274247B1 (en) |
| AT (1) | ATE67380T1 (en) |
| AU (1) | AU602742B2 (en) |
| DE (1) | DE3773163D1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5962490A (en) * | 1987-09-25 | 1999-10-05 | Texas Biotechnology Corporation | Thienyl-, furyl- and pyrrolyl-sulfonamides and derivatives thereof that modulate the activity of endothelin |
| US4895603A (en) * | 1988-12-19 | 1990-01-23 | Philip Morris Incorporated | Apparatus and method for in-place cleaning and priming of a nozzle assembly |
| US4993434A (en) * | 1989-06-29 | 1991-02-19 | Philip Morris Incorporated | Cigarette rods with liquid flavor centers |
| GB9703358D0 (en) * | 1997-02-18 | 1997-04-09 | British American Tobacco Co | Incorporating smoke-modifying agents in smoking material rods |
| US6206963B1 (en) | 1998-08-25 | 2001-03-27 | Philip Morris Incorporated | Nozzle |
| UA91206C2 (en) * | 2004-12-15 | 2010-07-12 | Джапан Тобакко Інк. | Device for producing stick-like smoking articles |
| DE102006027597A1 (en) * | 2006-06-13 | 2007-12-27 | Hauni Maschinenbau Aktiengesellschaft | Method for operating a stranding machine and stranding machine |
| DE102006027598A1 (en) * | 2006-06-13 | 2007-12-27 | Hauni Maschinenbau Aktiengesellschaft | Process for producing a strand of the tobacco processing industry and stranding machine |
| DE102006027365A1 (en) * | 2006-06-13 | 2007-12-27 | Hauni Maschinenbau Ag | Process for producing a strand of the tobacco processing industry and stranding machine |
| GB0702769D0 (en) * | 2007-02-13 | 2007-03-21 | British American Tobacco Co | A Method and apparatus for the manufacture of smoking articles |
| DE102009031858A1 (en) * | 2009-07-03 | 2011-01-05 | Hauni Maschinenbau Ag | Channel cheek a strand conveyor of a machine of the tobacco processing industry |
| DE102012101024A1 (en) * | 2012-02-08 | 2013-08-08 | Hauni Maschinenbau Ag | Apparatus and method for forming at least one strand of the tobacco processing industry and distribution device for feeding a stranding machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8330482A (en) * | 1981-04-16 | 1982-11-04 | Molins Plc | Cigarette manufacture |
| AU7766587A (en) * | 1986-08-28 | 1988-03-03 | Philip Morris Products Inc. | Applying liquid additive foam to tobacco filler |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396272A (en) * | 1971-07-28 | 1975-06-04 | Molins Ltd | Cigarette making machines |
| SE347863B (en) * | 1971-11-11 | 1972-08-21 | Svenska Tobaks Ab | |
| US4409995A (en) * | 1980-06-23 | 1983-10-18 | Philip Morris, Inc. | Method for applying particulate matter to tobacco |
| US4619276A (en) * | 1984-08-03 | 1986-10-28 | Philip Morris Incorporated | Tobacco processing |
-
1986
- 1986-12-16 US US06/942,411 patent/US4763672A/en not_active Expired - Lifetime
-
1987
- 1987-12-14 EP EP87310964A patent/EP0274247B1/en not_active Expired - Lifetime
- 1987-12-14 DE DE8787310964T patent/DE3773163D1/en not_active Expired - Fee Related
- 1987-12-14 AT AT87310964T patent/ATE67380T1/en active
- 1987-12-15 AU AU82542/87A patent/AU602742B2/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8330482A (en) * | 1981-04-16 | 1982-11-04 | Molins Plc | Cigarette manufacture |
| AU7766587A (en) * | 1986-08-28 | 1988-03-03 | Philip Morris Products Inc. | Applying liquid additive foam to tobacco filler |
Also Published As
| Publication number | Publication date |
|---|---|
| AU8254287A (en) | 1988-06-16 |
| EP0274247A2 (en) | 1988-07-13 |
| US4763672A (en) | 1988-08-16 |
| EP0274247A3 (en) | 1988-08-10 |
| EP0274247B1 (en) | 1991-09-18 |
| ATE67380T1 (en) | 1991-10-15 |
| DE3773163D1 (en) | 1991-10-24 |
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